Home / 119,822.64-179,755.08-40,918.36

Finding the Fourth Proportional to 119,822.64, 179,755.08 and 40,918.36

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Solution

The fourth proportional to 119,822.64, 179,755.08 and 40,918.36 is: 61,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,822.64 : 179,755.08 = 40,918.36 : x
  2. Step 2: Convert to fraction form
    119,822.64/179,755.08 = 40,918.36/x
  3. Step 3: Cross multiply
    119,822.64x = 179,755.08 × 40,918.36
  4. Step 4: Simplify right side
    119,822.64x = 7,355,283,075.27
  5. Step 5: Solve for x
    x = 7,355,283,075.27/119,822.64
  6. Step 6: Final answer
    x = 61,384.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.